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RHUMBLINE ADVISERS

Position in CYTK — Cytokinetics Inc

CIK 1115418 BOSTON, MA

Position in CYTK

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$35,933,056
+$11,574,368 QoQ
Shares Held
421,799
+14.1% QoQ
Ownership
0.303%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#68
of 477 holders
Holding Since
Mar 2020
24 quarters on record
Voting authority Sole 41% Shared 0% None 59%

Common Shares in CYTK Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

RHUMBLINE ADVISERS holds $1,404,724,682 across 329 Biotechnology names. CYTK ranks #9 (2.6% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in CYTK

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24 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $35,933,056 421,799
2026-03-31 $24,358,688 369,575
2025-12-31 $22,683,462 356,995
2025-09-30 $21,204,282 385,813
2025-06-30 $12,883,617 389,940
2024-09-30 $19,994,092 378,676
2024-06-30 $20,548,144 379,257
2024-03-31 $21,498,460 306,639
2023-12-31 $23,530,988 281,842
2023-09-30 $8,097,640 274,869
2023-06-30 $8,868,203 271,864
2023-03-31 $9,117,658 259,098
2022-12-31 $11,338,525 247,458
2022-09-30 $11,626,643 239,972
2022-06-30 $8,559,247 217,848
2022-03-31 $7,438,307 202,073
2021-12-31 $8,547,207 187,521
2021-09-30 $6,683,237 186,996
2021-06-30 $3,870,943 195,601
2021-03-31 $4,726,827 203,217
2020-12-31 $4,128,549 198,679
2020-09-30 $4,037,811 186,504
2020-06-30 $4,108,698 174,319
2020-03-31 $2,129,663 180,633